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Old 01-08-2011, 01:09 PM
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406 for my Vette

I have a 1974 corvette that i am building a 406 for. Give me your opinions on my combo. 406 with 3.75 stroke cola crankshaft 5.7 scat cap screw rods mahle powerpack pistons with a set of sportman II heads. The camshaft is an elgin 1131 240 int 250 ext .520 with either a victor jr or an rpm air gap and i am not sure on carb yet. The car is auto transmission that will be rebuilt and probably a 3000-3200 stall. How much hood clearance trouble will i have? Also i was thinking about going with a hydraulic roller in stead of the solid flat tappet cam.

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Old 01-08-2011, 01:25 PM
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Quote:
Originally Posted by hobby28
I have a 1974 corvette that i am building a 406 for. Give me your opinions on my combo. 406 with 3.75 stroke cola crankshaft 5.7 scat cap screw rods mahle powerpack pistons with a set of sportman II heads. The camshaft is an elgin 1131 240 int 250 ext .520 with either a victor jr or an rpm air gap and i am not sure on carb yet. The car is auto transmission that will be rebuilt and probably a 3000-3200 stall. How much hood clearance trouble will i have? Also i was thinking about going with a hydraulic roller in stead of the solid flat tappet cam.
With that victor jr the hood will hit and with the air gap also. Your going to have to run a orignal style drop base for the filter with whatever you run. I ended up with a performer rpm on my 74 and the hood still hit. This was without the drop base filter base though. JMO


Cole
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Old 01-08-2011, 07:48 PM
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Can you do anything with motor mounts to get the engine a little bit lower in the car?
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Old 01-09-2011, 06:51 PM
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Check with the guys in the C3 section at www.corvetteforum.com because I am sure the same question has been asked more than once. The best I can recall is that the air gap will not work but others with a drop base air cleaner will.
Terry
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